SOHO came in handy last fall when it caught two large CMEs headed for the earth, but it could not follow the ejecta nor provide an accurate impact time.

• 去年秋天，SOHO捕捉到两个正对地球而来的大规模CME时，堪称灵敏，不过它既不能追踪喷流，又不能提供准确的侵袭时间。